De-identified Reports
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CRA Ref
Region
Status
Type
Title
XXXX 
FIT-ASIA 
Closed 
NETWORK - Problem At GES Or Network 
Link VSAT TES AACC HCM-BKK interrupted. 
2722-MM 
ISPACG FIT 
Closed 
TBA 
N60XC - Problems with data loading into CPDLC position report page 
XXXX 
OTHER 
Closed 
TBA 
 
2703-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
787 decrease in RCP240 performance - Jan to Jun 18 - NAT 
XXXX 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
ARINC (Rockwellcollins) outage 
2701-MM 
ISPACG FIT 
Closed 
GROUND - Technical 
QFA10 - Unable to load CPDLC route clearance 
2698-MH 
IPACG FIT 
Active 
Ground 
Connected to PAZA instead of CZWG 
2695-MH 
ISPACG FIT 
Active 
AIR - Technical - Avionics Fault 
Latency monitor triggered during SATCOM transition 
2696-MH 
NAT TIG 
Active 
Air 
Datalink connection issues while operating the AIMS-2 BP V17A.1 
2694-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CDPLC NO AUTOMATIC HANDOVER TO NEXT ATC SECTOR 
2693-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CPDLC:NO AUTOLOGON TO NEXT ATC UNIT 
2692-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CPDLC AUTO HANDOVER not working 
2691-SH 
ISPACG FIT 
Closed 
GROUND - Technical 
Delayed uplinks received 
2690-MH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Flight loses connection mid flight 
2686-MM 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
GLEX NO COMM 
2684-SH 
NAT TIG 
Open - Fix Available 
AIR - Technical - Avionics Fault 
Aircraft Performance Issues 
2682-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
GLEX NO COMM 
2681-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
GLEX NO COMM 
2680-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Vulcan XRS KBFI to LFMN 
2679-GM 
NAT TIG 
Active 
TBA 
No CPDLC confirmation message or confirm assigned route from Gander Oceanic 
2676-GM 
IPACG FIT 
Active 
TBA 
ADS-C Failed to Connect 
2669-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Re-display of previous flight uplink 
2667-KS 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
B777 CPDLC and ACARS unstable 
0000 
OTHER 
Closed 
TBA 
Lost of ATC Data Link 
2666-GM 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Flight connected to KUSA and could not disconnect 
2664-SH 
NAT TIG 
Active 
AIR - Technical - Avionics Fault 
Re-route crossing point crossing discrepancy 
2662-SH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Incorrect response to Greeting message 
2661-SH 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
ATC Unresponsive to CPDLC Emergency Page Request 
2659-SH 
FIT-ASIA 
Closed 
AIR - Procedural - Flight Crew Action 
CMA logon rejected 
2657-SH 
FIT-ASIA 
Closed 
AIR - Procedural - Flight Crew Action 
CMA logon rejected 
2656-GM 
FIT-ASIA 
Closed 
NONE - Report Is A Non-problem 
Failed End Service message 
2655-SH 
FIT-ASIA 
Closed 
TBA 
CMA logon rejected 
2654-SH 
FIT-ASIA 
Closed 
TBA 
Aircraft ID mismatch 
2653-SH 
OTHER 
Closed 
TBA 
Failure to logoff 
2652-SH 
OTHER 
Closed 
TBA 
Logon failure 
2651-SH 
OTHER 
Closed 
TBA 
Logon failure 
2650-MH 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Unrecognized Message Ref Number downlink received 
2648-GM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CLX Unable to Logon for FANS Services 
2645-GM 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
Cannot Logon to CDQX 
2643-GM 
NAT TIG 
Active 
AIR - Technical - Avionics Fault 
777 unable to respond to UM137 
2642-MH 
NAT TIG 
Closed 
GROUND - Procedural 
Flight Sending ADS Reports with Default Data and Duplicate Report 
2641-GM 
NAT TIG 
Closed 
Ground 
No Auto transfer from ACT CTR to NXT CTR 
2634-SH 
FIT-ASIA 
Closed 
NETWORK - Problem At GES Or Network 
LINK FAILURE 
2633-SH 
FIT-ASIA 
Closed 
NETWORK - Problem At GES Or Network 
LINK FAILURE 
2632-SH 
FIT-ASIA 
Closed 
NETWORK - Problem At GES Or Network 
LINK FAILURE 
2631-GM 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
B744 CPDLC loss during flight 
2630-GM 
IPACG FIT 
Closed 
AIR - Procedural - Flight Crew Action 
Route clearance WILCOed but not flown 
2628-MH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
B777 odd behavior for both CPDLC Logon and DR1. 
2625-MM 
ISPACG FIT 
Closed 
AIR - Procedural - Flight Crew Action 
ADS contracts could not be established with B-8211 
2624-SH 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
B772 indicates but fails to use Iridium, using Inmarsat instead 
2623-SH 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
B772 indicates but fails to use Iridium, using HFDL instead 
2620-KS 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2617-GM 
NAT TIG 
Closed As Duplicate 
TBA 
FANS PROBLEM REPORT 
2603-SH 
IPACG FIT 
Open 
AIR - Technical - Avionics Fault 
UPS B747-8 PBCS Compliance Action Plan 
2616-XX 
OTHER 
Closed 
TBA 
SBAO CPDLC Connecting Problem 
2614-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Transfer failure from EGGX to CZQX 
2613-MM 
NAT TIG 
Open 
NETWORK - Problem At GES Or Network 
Transfer failure from CZQX to EGGX 
2611-MM 
FIT-ASIA 
Closed 
TBA 
CONTACT ADVISORY ERROR MESSAGE 
2605-SH 
FIT-ASIA 
Closed 
NETWORK - Problem At GES Or Network 
Satelline and Leasedline of ACARS interrupted transmission 
2602-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Maastricht report of spurious FANS1/A Contact Uplink for UPS284 
2601-SH 
IPACG FIT 
Closed As Duplicate 
NETWORK - Problem At GES Or Network 
Delayed ADS-C and CPDLC messaging observed with multiple aircraft using Iridium 
2598-SH 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
Unexpected ACARS Message Sent to Shanwick Ground System/Aircraft also Changed FI Mid Flight 
2597-MM 
OTHER 
Closed 
NETWORK - Problem At GES Or Network 
SITA Iridium performance drop 
2596-MH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
AFN manual logon does not clear incorrect CDA 
2595-XX 
FIT-ASIA 
Closed 
TBA 
Unable to logon/establish connection to ZLLL and ZWWW 
2594-MH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
REPORT CLIMB FREEZES ATC COM on 777 AIMS 2 BP v17 
2589-KS 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
Random CPDLC logon success 
2588-MM 
NAT TIG 
Closed 
GROUND - Technical 
CPDLC lost after switching from EISN to EGGX 
2585-MM 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Vulcan G650 PTRO KLAX 
2584-MM 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Vulcan N650AF PHKO PTRO 
2582-SH 
NAT TIG 
Closed 
MULTIPLE - Problems Occurred In More Than One Area 
UAL B757-200s do not meet RSP 180 and RCP 240 in Santa Maria 
2579-KS 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2578-SH 
IPACG FIT 
Active 
AIR - Technical - Avionics Fault 
Possible ack-and-toss events 
2577-MM 
IPACG FIT 
Closed 
GROUND - Technical 
Route clearance uplink problem 
2576-MM 
IPACG FIT 
Closed 
AIR - Procedural - Flight Crew Action 
Vulcan N724AF Missed CPDLC Message 
2573-MM 
IPACG FIT 
Closed 
NONE - Report Is A Non-problem 
FDX B763 not meeting 95% in ZAN and ZNY 
2572-SH 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
GTH GLF5 not meeting 95% in ZNY 
2571-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
CPDLC Lock-Up (MD-11) 
2570-MH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
B777 fleet performance observed to be below RSP 180 benchmark 99 % in Shanwick FIR 
2569-MH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
B777 fleet performance observed to be below RSP 180 benchmark 99 % 
2568-GM 
FIT-ASIA 
Active 
TBA 
EMERGENCY ADS MESSAGE 
2567-GM 
IPACG FIT 
Closed As Duplicate 
TBA 
FANS PROBLEM REPORT 
2561-GM 
NAT TIG 
Closed 
TBA 
Downlink Delayed - Use Voice 
2566-GM 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
FANS PROBLEM REPORT 
2563-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CPDLC Logon Problem - UPS58 1/13/18 HNL-HKG 
2562-MM 
IPACG FIT 
Closed 
NETWORK - Problem At GES Or Network 
Delayed ADS-C reports received from multiple aircraft using Iridium 
2559-MM 
IPACG FIT 
Open 
AIR - Technical - Avionics Fault 
ASA B738 not meeting 95% in Oakland and Anchorage 
2558-SH 
IPACG FIT 
Active 
MULTIPLE - Problems Occurred In More Than One Area 
FANS PROBLEM 
2556-MM 
OTHER 
Closed 
AIR - Technical - Avionics Fault 
DAL B752 performance below 95% 
2555-SH 
FIT-ASIA 
Active 
Ground 
CONNECTION FAILURE 
2553-GM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Loss of FANS Connectivity 
2550-MH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
A/C repeatedly sending CC1/DM3/DM1 messages 
2552-MM 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Vulcan N650AF PAC Logon/Logoff Problem 
2547-SH 
IPACG FIT 
Closed 
TBA 
Climb clearance 
2548-SH 
IPACG FIT 
Closed 
TBA 
No data in the Predicted Route Group for the entire flight 
2546-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Vulcan G650 NAT Problem 
2534-MM 
FIT-ASIA 
Closed 
AIR - Procedural - Flight Crew Action 
EMERGENCY ADS MESSAGE 
2533-MH 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Unable to LOGON 
2529-MM 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
A/C Queried CPDLC Re-route but None was Uplinked 
2527-SH 
NAT TIG 
Closed As Duplicate 
AIR - Procedural - Flight Crew Action 
DM40 with two routes 
2528-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
No route information in dM40 
2531-SH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
High proportion of FN_CAD receive no response in EGPX airspace 
2521-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Unexplained Old Proceed Direct Message 
2530-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Datalink lost outside of VHF range 
2520-SH 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
Data Link Stops working mid flight -2 
2519-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Data Link Stops working mid flight 
2516-SH 
ISPACG FIT 
Closed 
TBA 
CPDLC Uplink not delivered to aircraft 
2515-SH 
ISPACG FIT 
Closed 
TBA 
CPDLC Uplink not delivered to aircraft 
2512-MM 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
Pilot sought clarification for a [UM79] message. 
2513-SH 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Unexpected WILCO 
2518-SH 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
GLF5 misinterprets UM79 route as "DCT" 
2511-SH 
NAT TIG 
Active 
AIR - Technical - Avionics Fault 
Confirmation of assigned Route generated a downlink error message 
2510-GM 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
CPDLC Handover from EGPX to BIRD did not work 
2508-SH 
IPACG FIT 
Active 
AIR - Technical - Avionics Fault 
Unable to ACCEPT CPDLC Message 
2507-SH 
ISPACG FIT 
Active 
AIR - Technical - Avionics Fault 
Delayed CPDLC downlink, loss of ADS-C 
2506-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Multiple messages received from Avionics 
2505-SH 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2501-SH 
NAT TIG 
Closed 
TBA 
A/C Sent Two WCE Reports in Close Succession but the First Report Omitted the 20W Position 
2503-SH 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
MD11 old messages return 
2500-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
ADS Gave Incorrect Current Position Timestamp and Appeared Slow to ACK 
2499-MH 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
DATALINK FAILURE 
2492-MM 
IPACG FIT 
Closed As Duplicate 
NETWORK - Problem At GES Or Network 
Climb clearance delivered late (~24 hours) to incorrect (next+1) flight 
2498-MM 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
Unexpected Point Included in ADS-C Report and Possible Out of Sequence Report Rxd 
2495-RP 
FIT-ASIA 
Open 
Ground 
WRONG ALTITUDE READOUT 
2494-SH 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2493-SH 
IPACG FIT 
Open 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2491-MM 
ISPACG FIT 
Closed 
GROUND - Technical 
AFN failure 
2490-MM 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
Inconsistent CSP Reports of SSP outage 
2486-MM 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
Flight sent DM40 with 3 routes 
2485-SH 
NAT TIG 
Closed 
GROUND - Technical 
Wrong navaid loaded from a UM79 route change message 
2481-MM 
IPACG FIT 
Closed 
NETWORK - Problem At GES Or Network 
CPDLC Problem 
2484-SH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Message Latency Timer Defect on some IGA systems 
2483-MH 
NAT TIG 
Open 
TBA 
ADS-C Emergency Report Rxed 
2482-SH 
FIT-ASIA 
Open 
AIR - Technical - Avionics Fault 
Ground Speed Errors 
2478-SH 
OTHER 
Closed As Duplicate 
NONE - Report Is A Non-problem 
B744 sends DR1 with an empty (truncated) DM64 
2475-MM 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
Aircraft Unable to Establish Connection to KZWY or LPPO 
2473-MH 
NAT TIG 
Closed 
TBA 
PLOC (Prolonged Loss of Communication) 
2472-RP 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
PLOC (Prolonged Loss of Communication) 
2470-SH 
IPACG FIT 
Closed 
AIR - Procedural - Flight Crew Action 
ADS-C reports received with a Figure of Merit value of 0 
2469-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
A/C Lost Comms for ~1 hour when flying RLAT 
2468-MM 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
Global 6000 failed to logon with EGGX 
2467-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2466-MM 
NAT TIG 
Closed 
MULTIPLE - Problems Occurred In More Than One Area 
Flight receives climb clearance from test facility while in Gander Oceanic airspace 
2463-MM 
NAT TIG 
Closed 
GROUND - Technical 
CZQX Did Not Receive Postion Reports 
2459-MM 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Invalid ADS-C Timestamp 
2461-SH 
FIT-ASIA 
Active 
MULTIPLE - Problems Occurred In More Than One Area 
Aircraft logged on ZWWW-CPDLC unsuccessfully 
2460-RP 
FIT-ASIA 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Aircraft logged on LZZZ unsuccessfully 
2458-SH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Unexplained WHEN ARE YOU ABLE uplink message 
2457-MH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Possible Stale Squawk Msg 
2456-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
A/C Did Not Respond to Frequency Uplink 
2453-SH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Loss of FANS Connectivity 
2455-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2451-SH 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
B748 claims "Empty route clearance" in UM79 message. 
2450-SH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
WILCO wrongly sent to NDA instead of CDA 
2449-SH 
IPACG FIT 
Open 
TBA 
73 WILCOs received from B763 
2448-SH 
ISPACG FIT 
Closed 
TBA 
Uplink clearance not received by aircraft 
2446-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Aircraft Lost ADS-C Connectivity whilst on RLAT Track 
2445-MH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
ACARS PROBLEMS- Confirm Assigned Route, #3 
2444-MH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
ACARS PROBLEMS- Confirm Assigned Route, #2 
2443-MH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
ACARS PROBLEMS- Confirm Assigned Route 
2439-SH 
OTHER 
Closed 
TBA 
Domestic PR 
2440-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Position Report Errors 
2438-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Impossible to logon to CPDLC 
2437-SH 
FIT-ASIA 
Closed 
TBA 
Unexpected behavior arising from ARINC message type (FM3) 
2436-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
GLF5 responds to CR1 with a DR1 + dM64 no unit (SP SP SP SP) 
2428-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Shanwick failed to receive our ADS-C reports 
2427-MM 
NAT TIG 
Closed 
MULTIPLE - Problems Occurred In More Than One Area 
Unexpected DR1 from aircraft 
2426-SH 
NAT TIG 
Active 
AIR - Technical - Avionics Fault 
A/C 'Skipped' Next Waypoint in NEXT Field (AIRBUS) 
2424-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2423-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Bad ADS position report 
2422-MH 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Numerous Downlinks Received from a B77W 
2420-MM 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Hawaii route KBFI PHKO 
2419-MM 
ISPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
'Invalid data' in uplinked route clearance 
2418-MM 
NAT TIG 
Closed 
TBA 
Erroneous ADS-C Position Report 
2417-MM 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
Flight crew claimed to have received CPLDC clearance 
2416-SH 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Performance deterioration on A388 through March 2017 
2415-SH 
ISPACG FIT 
Active 
TBA 
Unacceptable performance via Iridium SATCOM RGS IGW1 
2414-RP 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Gulfstream not displaying UM117 Frequency 
2413-SH 
NAT TIG 
Open 
GROUND - Technical 
CPDLC Route Clearance Uplink No LOAD Prompt 
2412-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
B789 UNABLE TO "LOAD" AN UPLINK CLEARANCE DUE TO INVALID DATA 
2411-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Datalink Failure 
2409-RP 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
UNABLE TO SEND MSG 
2408-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
TIG Action 2-10 Delayed Report During SATCOM Trial 
2407-MM 
IPACG FIT 
Closed 
MULTIPLE - Problems Occurred In More Than One Area 
CPDLC Clearance Latency 
2405-RP 
OTHER 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Lingering CPDLC Contact Message from Previous Leg 
2404-SH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
B748 DM40 parsing error 
2403-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
ADS-C reports not working 
2402-MM 
NAT TIG 
Closed 
MULTIPLE - Problems Occurred In More Than One Area 
Delayed Messages 
2401-SH 
NAT TIG 
Active 
AIR - Technical - Avionics Fault 
Unexpected ALT in ADS-C NEXT & NEXT+1 Fields 
2400-SH 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2399-SH 
IPACG FIT 
Open 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2398-SH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
GLF5 Erroneous FMS Loading of PROCEED DIRECT TO LatLon Uplink 
2397-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
A/C on RLAT Track Connected CR1/CC1 CPDLC OK but Could Not Downlink Msgs 
2396-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2395-MM 
ISPACG FIT 
Closed 
NONE - Report Is A Non-problem 
No Mach No. in CPDLC position report from B789 
2394-SN 
ISPACG FIT 
Closed 
AIR - Procedural - Flight Crew Action 
Erroneous ADS-C estimate(s) from A332 
2393-SN 
ISPACG FIT 
Closed 
AIR - Procedural - Flight Crew Action 
Erroneous ADS-C estimate(s) from A332 
2392-SH 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
TIG Action 2-6: Unexpected Disconnect Reason Code 2 (#1) 
2391-SN 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Incorrect predicted route next and next+1 position in on-demand response 
2390-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
B767 reports sequenced waypoint as NEXT 
2389-RP 
IPACG FIT 
Closed 
GROUND - Procedural 
Possible Pilot Deviation at LAX 
2388-SN 
NAT TIG 
Active 
TBA 
Unable to Establish CPDLC with Eastbound Aircraft but ADS Connected OK 
2387-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
B788 omits icaofacilitydesignation in dM64 
2386-SH 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Dual FMS Dump After CPDLC Route Clearance Loaded 
2385-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Possible Stale CPDLC Message 
2384-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2383-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
20W Report Dropped from ADS-C Position Report 
2382-MM 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
40% of one airline's B789 fleet observed SATCOM performance below RSP180 99.0% requirement 
2381-SN 
ISPACG FIT 
Active 
AIR - Technical - Avionics Fault 
A320 performance on Iridium SATCOM well below RSP180 requirements 
2380-SN 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
A330 stops making ADS-C reports without any disconnect/error message 
2379-MH 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Domestic CPDLC connection not released 
2378-MH 
ISPACG FIT 
Active 
AIR - Technical - Avionics Fault 
CPDLC Uplnk PROCEED DIRECT TO Waypoint 4000nm Away Erasing all of RTE 1 
2377-MM 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Unable to establish active CPDLC connection 
2374-RP 
NAT TIG 
Closed 
TBA 
Flight responds to contract requests with disconnects -reason code 2 
2375-SN 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
insufficient msg storage capacity in response to freetext message 
2376-SH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
30W Position Dropped in ADS-C Report 
2373-RP 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
Flight Relogs on when datalink is working 
2372-SH 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
Aircraft claims it could not load CPDLC Clearance route clearance 
2371-SN 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Incorrect estimate in ADS-C Waypoint Event 
2370-MH 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Unable to establish CPDLC connection with B777. CDA = YMMM 
2369-SN 
FIT-ASIA 
Closed 
NETWORK - Problem At GES Or Network 
Stop service ADS/CPDLC 
2368-SN 
FIT-ASIA 
Closed 
NETWORK - Problem At GES Or Network 
Functional ADS / CPDLC inactive 
2367-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Report of Stuck Sending Prompt and Possible Unsual ADS Report Content 
2366-MM 
FIT-ASIA 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Loss of CPDLC prior to landing in Lanzhou 
2365-SH 
NAT TIG 
Active 
AIR - Technical - Avionics Fault 
Report of Possible Stale CPDLC Messages in FMS 
2364-MH 
ISPACG FIT 
Active 
TBA 
MAS delivery success received on climb clearance uplink but crew did not receive message. Clearance passed again via HF voice. 
2363-SN 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
Multiple duplicate messages 
2362-SN 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
DM40 from a GLF5 not parsed correctly. 
2361-SN 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Datalink stops working 
2360-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
DM40 parsing error from a B789 
2359-SN 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Weather Deviation Clearance did not make it to flight deck but MAS received 
2358-SH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
DM40 Parsing error from a B772 
2357-MM 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
DM40 parse error from a B789 
2356-MM 
ISPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Aircraft ADS-C not operating normally 
2355-MM 
OTHER 
Closed 
NONE - Report Is A Non-problem 
Unable to Connect 
2354-RP 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2353-SN 
NAT TIG 
Closed As Duplicate 
TBA 
No ACK for ADS or CPDLC Requests Whilst on RLAT TRack 
2352-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Westbound aircraft encountered error codes 234 and 311 whilst on RLAT track 
2351-SH 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
WB A/C Lost Comms Around 20W Whilst on RLAT Track 
2350-SN 
NAT TIG 
Active 
TBA 
A/C Loss of Datalink Capability Whilst on RLAT Track in Gander and Shanwick 
2349-SN 
IPACG FIT 
Closed As Duplicate 
MULTIPLE - Problems Occurred In More Than One Area 
Climb Clearance not received by B772 
2348-MM 
ISPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
LOGON FAILURE 
2347-MH 
IPACG FIT 
Active 
TBA 
ADDRESS AUTO TRANSFER FAILURE 
2346-MH 
IPACG FIT 
Active 
TBA 
ADDRESS AUTO TRANSFER FAILURE 
2345-SN 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
Revert to voice after CLA message 
2344-MM 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
LOGON FAILURE 
2343-MM 
IPACG FIT 
Closed 
NONE - Report Is A Non-problem 
LOGON FAILURE 
2342-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2341-SN 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Numerous Downlinks received from B77L 
2340-MM 
IPACG FIT 
Closed 
GROUND - Technical 
LOGON FAILURE 
2339-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
B744 makes multiple responses to uplinks, also appears to respond to UM159 with DM62 
2337-MH 
FIT-ASIA 
Active 
TBA 
P570 POMAN-TEGOR 
2338-MM 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
No ADS-C for A333 
2335-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2336-SN 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Unable to Establish an ADS Contract 
2334-MH 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
ACK and Toss 
2333-MH 
NAT TIG 
Open 
AIR - Procedural - Flight Crew Action 
Unexpected Fix Format in DM40 
2332-SN 
ISPACG FIT 
Active 
TBA 
No ADS-C WCE following re-route - GLEX 
2331-SN 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Consecutive ADS reports received with reported position 00N000W 
2330-SN 
NAT TIG 
Active 
TBA 
A/C Lost SATCOM whilst on RLAT TRack 
2329-MM 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2328-MM 
ISPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Logon difficulties 
2326-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Comms Delay for A/C on RLAT Track 
2327-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2325-SN 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
756 FN_CONs, CC1s and DR1s received from a B77W 
2324-MH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Some question over active center 
2322-RP 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Mulitple WILCOs and UNABLEs received from B748 
2321-RP 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2319-MM 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
CPDLC emergency report sent without crew action 
2320-SN 
NAT TIG 
Active 
AIR - Technical - Avionics Fault 
GLF6 omits FN_COMP 
2317-RP 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2318-RP 
IPACG FIT 
Closed 
NONE - Report Is A Non-problem 
FANS PROBLEM REPORT 
2316-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
CPDLC with BIRD was lost unnoticed to flight crew 
2314-SN 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
MIN/MRN survives a disconnect/reconnect 
2315-MH 
FIT-ASIA 
Active 
TBA 
Due to the Urumqi ADS-C equipment failure, aircraft reroute to Y1 
2313-SN 
ISPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
CPDLC Problem 20160918 
2312-MM 
OTHER 
Closed 
NETWORK - Problem At GES Or Network 
Degraded Iridium Data Link Performance 
2311-MM 
ISPACG FIT 
Closed 
MULTIPLE - Problems Occurred In More Than One Area 
No ADS-C disconnect received after MAS S on disconnect request 
2310-SN 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
A B77W continually transmitting DM3 and then DR1 DM62 messages. 
2309-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Shanwick Jul 2016 >300s MAS Returns 
2307-SN 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Confused B772 
2306-SN 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Climb Clearance not received 
2305-SN 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Climb Clearance not received 
2308-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2304-SN 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Aircraft not able to report position. 
2303-SH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Flight Reported Receiving Old Clearances 
2300-SN 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
Avionocs Reject CR1 - Due to DR1=dm64 not composed correctly 
2301-SN 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
ADS-C position report indicates incorrect routing 
2302-SN 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Error in a DM40 Message. 
2299-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CPDLC LEVEL REPORT TOO EARLY 
2298-SN 
FIT-ASIA 
Closed 
NETWORK - Problem At GES Or Network 
Non-delivery of climb instruction issued through CPDLC. 
2297-SN 
NAT TIG 
Active 
TBA 
A/C Did Not ACK ADS Contract Requests Whilst on RLAT Track 
2296-SN 
NAT TIG 
Closed 
MULTIPLE - Problems Occurred In More Than One Area 
A/C Did Not Accept ADS or CPDLC Contract Requests Whilst on RLAT Track 
2295-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Address Auto-transfer Failure 
2294-MM 
IPACG FIT 
Closed 
NETWORK - Problem At GES Or Network 
Datalink Failure 
2291-SN 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
Persistent NAK Responses 
2292-SN 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Unable to logon 
2287-SN 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Intermittent A/C Comms Whilst Flying RLAT Track 
2288-SN 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
A/C Repeatedly Sent DR1 Responses 
2293-RP 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2289-SN 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
NO ACK RX 
2286-RP 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2284-SN 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
A/C ADS Not Working on EB RLAT Track or WB Non RLAT TRack 
2285-SN 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
Loss of ADS Downlinks Whilst on RLAT Track 
2282-RP 
FIT-ASIA 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2283-SN 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
DM40 with an illegal enumeration value. 
2281-MM 
NAT TIG 
Closed 
GROUND - Technical 
Aircraft Reported Invalid Entry Fix Response for RLAT Point 
2270-SN 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Assigned route missing data 
2280-SH 
IPACG FIT 
Closed 
NONE - Report Is A Non-problem 
CPDLC Issues @ RJJJ 
2279-MH 
FIT-ASIA 
Active 
TBA 
Unable to log-on to VECC CPDLC 
2278-MM 
ISPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
787 unable to uplink wind data while enroute for DARP operation 
2277-MM 
IPACG FIT 
Closed 
NONE - Report Is A Non-problem 
Route clearance by HF 
2276-SH 
IPACG FIT 
Closed 
NETWORK - Problem At GES Or Network 
CPDLC Failed to Logon to PAZN from RJJJ @ PASRO 
2275-MM 
OTHER 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
B777 Route Clearance Uplink FMC load prompt anomaly 
2274-MH 
ISPACG FIT 
Active 
AIR - Technical - Avionics Fault 
Unable to Establish a CPDLC connection with a B777 
2272-SH 
FIT-ASIA 
Closed 
AIR - Technical - Avionics Fault 
SITA rejection 
2273-SN 
FIT-ASIA 
Closed 
NONE - Report Is A Non-problem 
ADS target failing 
2269-MM 
ISPACG FIT 
Closed 
NONE - Report Is A Non-problem 
B788 ADS-C Estimate 
2271-SH 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2268-MM 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
B789 Delayed ADS-C reports 
2267-SH 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
old message- late clearance 
2265-SN 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Repeated AFN Logons and No CPDLC for RLAT A/C 
2264-MM 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
SATCOM issues with B788 
2263-MM 
NAT TIG 
Closed As Duplicate 
NETWORK - Problem At GES Or Network 
A/C Lost Comm Around 30W Whilst Flying RLAT 
2266-SH 
NAT TIG 
Closed 
MULTIPLE - Problems Occurred In More Than One Area 
Unable to Establish CPDLC Connections 
2262-SN 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Multiple Downlinks received from B77W 
2261-SH 
NAT TIG 
Closed As Duplicate 
GROUND - Technical 
CPDLC-LOGON to EGTT REJECTED 
2260-AG 
FIT-ASIA 
Active 
TBA 
CPDLC Connection Failure 
2259-MM 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
B763 Connection Issues 
2255-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Transfer issues related to delayed DR1 
2258-SN 
NAT TIG 
Closed As Duplicate 
MULTIPLE - Problems Occurred In More Than One Area 
Aircraft unable to LOGON to KZWY 
2257-MM 
ISPACG FIT 
Closed 
Ground 
Multiple Address Forwarding to NFFF failed for B752 
2256-SH 
ISPACG FIT 
Closed 
GROUND - Technical 
Not Current Data Authority - unsuccessful transfer from NFFF 
2253-SN 
NAT TIG 
Active 
Air 
Aircraft Did Not Accept CR1 when on RLAT Track 
2254-AG 
NAT TIG 
Active 
TBA 
Aircraft Lost all Datalink Whilst on RLAT Track 
2251-RP 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2252-SN 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Data Link Stopped Working 
2248-MM 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
Erroneous ADS-C Reports Received 
2247-MM 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
Erroneous ADS-C Reports Received 
2246-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Erroneous ADS-C Report Received 
2249-SN 
NAT TIG 
Open 
MULTIPLE - Problems Occurred In More Than One Area 
No position/altitude information in ADS-C report 
2250-RP 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2245-RP 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2244-RP 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
CPDLC Route Clearance Uplink Anomaly 
2243-MM 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
Erroneous ADS-C Reports Received 
2241-RP 
IPACG FIT 
Open 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2242-SN 
OTHER 
Closed 
NONE - Report Is A Non-problem 
Unable to log on 
2239-SN 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
No position information in ADS-C report 
2240-AG 
NAT TIG 
Active 
TBA 
A/C Lost SATCOM when on RLAT Track 
2238-SH 
FIT-ASIA 
Closed 
GROUND - Procedural 
FANS 1/A Problem report 
2236-SH 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
RLAT Loss of Separation - Possible Avionics or Network Issue 
2237-SN 
NAT TIG 
Closed 
GROUND - Technical 
No Logon with EGTT possible 
2234-SN 
FIT-ASIA 
Closed 
GROUND - Technical 
NO ADS TRACK DISPLAYED 
2235-SN 
FIT-ASIA 
Closed 
NONE - Report Is A Non-problem 
CONNECTION FAILURE 
2233-AG 
IPACG FIT 
Active 
TBA 
Inaccurate Estimates in ADS-C reports for A332 
2231-MM 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
RLAT Separation - Possible Avionics or Network Issue 
2232-MM 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
Datalink Issues Whilst on RLAT Track 
2230-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Loss of SATCOM for RLAT Flight - A310 
2229-SH 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Flight Lost Datalink Whilst on RLAT Track U 
2227-MM 
NAT TIG 
Closed 
Ground 
Automatic CPDLC Handover from Shanwick to Gander did not work (no NEXT CTR) 
2228-RP 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
A/C Seemed to Lose Comms and Subsequently Missed Boundary Report 
2226-GS 
IPACG FIT 
Closed 
GROUND - Technical 
Success of FANS Address Forwarding PAZA to GDXB 
2218-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
A/C Experienced Multiple Media Switching Whilst on RLAT Track 
2217-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
A/C Datalink Issues Whilst on RLAT Track 
2225-RP 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2224-SH 
ISPACG FIT 
Closed 
NONE - Report Is A Non-problem 
Unrecognised message reference number - A332 
2219-MM 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
A/C Lost Comms Whilst on RLAT Track 
2223-MM 
NAT TIG 
Active 
Ground 
Automatic CPDLC Handover from Gander to Shanwick did not work (no NEXT CTR) 
2221-RP 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CPDLC not working according to crew 
2222-AG 
IPACG FIT 
Closed 
NONE - Report Is A Non-problem 
System not sending 
2220-MM 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Unrecognised message reference number - A332 
2216-GS 
IPACG FIT 
Closed 
GROUND - Technical 
ZAN: Unable to pass datalink communications from PAZN to GDXB 
2215-MM 
ISPACG FIT 
Closed 
NETWORK - Problem At GES Or Network 
Address forwarding failed with MD-11 
2214-SN 
ISPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Inconsistent estimates received in ADS-C reports from A332 
2213-MM 
ISPACG FIT 
Active 
TBA 
Unexpected latdev report received from GLF5 
2212-GS 
NAT TIG 
Closed 
GROUND - Technical 
Failed datalink request for Oceanic Clearance 
2211-GS 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Aircraft Temprarily Lost Datalink Whilst on RLAT TRack 
2209-GS 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
A/C Lost CPDLC when Approaching RLAT Track 
2210-MM 
NAT TIG 
Active 
TBA 
RLat loss of CPDLC 
2208-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
A/C Lost CPDLC Whilst on RLAT Track 
2207-SN 
ISPACG FIT 
Closed 
NONE - Report Is A Non-problem 
Unrecognized Message Ref Number 
2206-RP 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
B767 CPDLC ATC changeover not working 
2205-MM 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Multiple CPDLC disconnections from B788 
2204-RP 
ISPACG FIT 
Closed 
NONE - Report Is A Non-problem 
Unsuccessful CPDLC transfer but no NCDA downlink 
2202-RP 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CPDLC ATC changeover not working 
2203-SN 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
B77W stutters, repeats logon 82 times, DR1 85 times 
2201-SN 
ISPACG FIT 
Closed 
AIR - Procedural - Flight Crew Action 
Unexplained ADS-C emergency received 
2200-MM 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Incorrect time in the predicted route group - B788 
2199-SN 
NAT TIG 
Open 
MULTIPLE - Problems Occurred In More Than One Area 
Aircraft Type F2TH responds to CR1 with a DR1 + DM64 NO UNIT. 
2196-SN 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Downlinks stuck in SENDING 
2197-RP 
ISPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Unrequested ADS-C intent information received from aircraft 
2198-RP 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS Connectivity Issue in Gander Oceanic Airspace 
2192-GS 
NAT TIG 
Closed 
GROUND - Technical 
Transfer ping-pong 
2193-MM 
NAT TIG 
Open 
GROUND - Technical 
No CONTACT or MONITOR instruction on CPDLC transfers from Gander to Shanwick 
2195-MM 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Not Current Data Authority - No DM63 received 
2194-MM 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Unable to establish CPDLC connection - CDA was CZYZ 
2191-GS 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Delayed Report 
2190-SH 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Shanwick - Loss of Separation 
2188-SH 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
HF-equipped flight loses comms in 
2189-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
ADS/CPDLC Lost for Aircraft Using RLAT 
2186-RP 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Protocol Error Received 1 minute after FN_CAD 
2187-RP 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2185-GS 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
A380 logs on manually yet refuses CPDLC connection, CDA is GDXB 
2182-SH 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2183-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Unable to establish CPDLC connection - CDA was GDXB 
2184-GS 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
No response to CPDLC downlinks 
2179-MM 
ISPACG FIT 
Active 
AIR - Technical - Avionics Fault 
Delayed AFN/ADS/CPDLC messages 
2180-GS 
NAT TIG 
Open 
GROUND - Technical 
Automatic CPDLC switchover from Gander to Shanwick did not work. 
2181-GS 
ISPACG FIT 
Open - Fix Available 
AIR - Technical - Avionics Fault 
Unusual loss of CPDLC_ADS-C 
2178-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Shanwick - Loss of Separation 
2177-GS 
NAT TIG 
Closed 
GROUND - Technical 
Handover did not work automatically 
2176-MM 
NAT TIG 
Closed 
GROUND - Procedural 
Loss of connection after NDA logon 
2175-SH 
NAT TIG 
Closed 
MULTIPLE - Problems Occurred In More Than One Area 
Aircraft Sent Unexpected DR1 
2174-RP 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CPDLC clearance issued not received by aircraft 
2173-RP 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
Repeat Uplink and Downlink ERROR Message 
2172-SN 
ISPACG FIT 
Active 
TBA 
Aircraft unable to send a CPDLC position report. But only to YBBB - works everywhere else.... 
2168-GS 
IPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Abundance of stale pos reports 
2162-GS 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
B744 logs on despite no DL indicated in FPL, turns out to be VHF-only 
2169-MM 
NAT TIG 
Closed As Duplicate 
NETWORK - Problem At GES Or Network 
CPDLC Data Link Connectivity 
2167-GS 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CONFIRM ASSIGNED ROUTE Anomaly 
2166-GS 
NAT TIG 
Open 
GROUND - Technical 
Data Link Poison Pill by London EGTT 
2165-SH 
FIT-ASIA 
Closed 
GROUND - Technical 
Notification failed with VABF sector 
2164-RP 
FIT-ASIA 
Closed 
GROUND - Technical 
CPDLC connection problem with VYYF 
2163-SH 
FIT-ASIA 
Closed 
GROUND - Technical 
Could not connect CPDLC with VABF/VOMF/WMFC 
2171-MM 
IPACG FIT 
Open 
GROUND - Technical 
Confusing uplink from KZAK 
2170-SH 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
A/C Reports Invalid Entry Point 
2161-GS 
ISPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Logon Failure 
2160-GS 
IPACG FIT 
Closed 
AIR - Procedural - Flight Crew Action 
Logon Failure 
2151-GS 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CONFIRM ASSIGNED ROUTE Anomaly 
2150-GS 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
B788 repeatedly acks but fails to respond in any other way to CR1 
2156-SN 
NAT TIG 
Closed 
NONE - Report Is A Non-problem 
Aircraft received CPDLC message not sent by ATC - A332 
2155-MM 
ISPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Multiple duplicate CPDLC position reports received from B77W 
2154-SN 
NAT TIG 
Active 
TBA 
MAS received but no downlinks received for aircraft 
2153-SN 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
MAS received but no downlinks received for aircraft 
2152-MM 
NAT TIG 
Active 
AIR - Technical - Avionics Fault 
ADS-C Report Missing Requested Data 
2157-SH 
IPACG FIT 
Open 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT (NG FMC responds to CR1s with DR1s) 
2158-SN 
ISPACG FIT 
Closed 
GROUND - Technical 
Incorrect ADS-C Reason code used by numerous aircraft types 
2159-SN 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Incorrect ADS-C estimate - A332 
2144-GS 
NAT TIG 
Closed As Duplicate 
GROUND - Technical 
No ADS Downlinkd from Aircraft on RLAT Track 
2146-MM 
NAT TIG 
Closed 
GROUND - Technical 
RCL Text Appears Twice in A620 Header 
2145-GS 
NAT TIG 
Closed 
MULTIPLE - Problems Occurred In More Than One Area 
CPDLC Connectivity Issues while on a 1/2 Degree Track 
2148-GS 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CONFIRM ASSIGNED ROUTE Anomaly 
2147-RP 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
Receipt of ADS Reports overdue and also missing requested data 
2143-GS 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Intermittent Connection 
2149-SN 
ISPACG FIT 
Closed 
MULTIPLE - Problems Occurred In More Than One Area 
ADS-C Log On problem flight B737-900ER 
2142-GS 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Loggin on Issue 
2141-GS 
NAT TIG 
Closed As Duplicate 
MULTIPLE - Problems Occurred In More Than One Area 
Transfer Issues 
2140-GS 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
B787s send reject (SMI = REJ) messages in response to uplinks 
2139-MM 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
ACK-N-TOSS EVENT 
2137-MM 
NAT TIG 
Closed 
AIR - Procedural - Flight Crew Action 
Multiple Erroneous ADS-C Position Reports Recieved 
2138-MM 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
Erroneous ADS-C Report Received 
2136-MM 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CPDLC - Spurious messages received by aircraft 
2135-RP 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
2134-SN 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
ATC uplink displayed incorrectly 
2133-GS 
NAT TIG 
Closed 
GROUND - Technical 
Failure to Log on 
2132-SH 
FIT-ASIA 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Unable to establish connection with VABF 
2131-GS 
NAT TIG 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
CONFIRM ASSIGNED ROUTE Anomaly 
2130-SH 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Unable to establish CPDLC connection - CDA was WIII 
2123-GS 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
CONFIRM ASSIGNED ROUTE Uplink Anomaly (Blank Page with SEND prompt) 
2005-MM 
IPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Delayed CC1 from 777 
2004-MM 
ISPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
No Next + 1 waypoint - sent as '0000.0N 00000.0E' - C-17 
1999-MM 
ISPACG FIT 
Open 
MULTIPLE - Problems Occurred In More Than One Area 
Weather deviation clearance uplink not displayed 
1993-SN 
FIT-ASIA 
Open 
AIR - Technical - Avionics Fault 
Generated EMERGENCY ALARM on datalink 
1992-SN 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
ADS Contract Rejected 
1983-MM 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
ADS-C Disconnects for Congestion 
1898-MM 
ISPACG FIT 
Open - Fix Available 
AIR - Technical - Avionics Fault 
Loss of ADS-C - B789 
1890-SN 
OTHER 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Low FOM in ADS-C reports from A333 
1877-MM 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
CPDLC Accepted/Not Established 
1864-GS 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
CPDLC Frozen 
1825-SN 
ISPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Spurious CPDLC messages - B772 
1805-MM 
FIT-ASIA 
Closed 
Ground 
Unable to logon to Yangon CPDLC 
1763-RP 
IPACG FIT 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
FANS PROBLEM REPORT 
1760-GS 
ISPACG FIT 
Open - Fix Available 
AIR - Technical - Avionics Fault 
B789 issues with satcom 
1758-SN 
OTHER 
Closed 
AIR - Procedural - Flight Crew Action 
Unauthorised Climb due to Misunderstanding CPDLC Msg 
1726-RP 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
Unable to connect CPDLC via SATCOM 
1624-SN 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
CPDLC not available - A332 
1603-DK 
ISPACG FIT 
Closed 
Ground 
Unable to establish CPDLC - Not next data authority 
1533-SN 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
INACCURATE CPDLC LEVEL CHECK 
1516-GS 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Unexplained UM117 Uplink Message 
1489-MM 
ISPACG FIT 
Closed 
Ground 
Failed CPDLC transfer from YBBB to NFFF 
1479-MM 
NAT TIG 
Closed 
GROUND - Technical 
Position Reports Not Delivered 
1444-GS 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
EGGX CPDLC TERMINATED JUST PRIOR TO 30W 
1368-SN 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
ADS-C Report contained incorrect next and next+1 
1358-MM 
NAT TIG 
Closed 
AIR - Technical - Avionics Fault 
Failed CPDLC transfer from CZQX to BIRD 
1344-MM 
NAT TIG 
Closed 
NETWORK - Problem At GES Or Network 
Failed CPDLC transfer from CZQX to EGGX 
1334-SN 
OTHER 
Closed 
TBA 
Temporary loss of CPDLC and ADS-C - B744 
1278-MM 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Delayed Uplink Display 
1229-SN 
ISPACG FIT 
Open - Fix Available 
AIR - Technical - Avionics Fault 
Potential Problems with A332 ADS-C Reports 
1219-SN 
ISPACG FIT 
Closed 
NONE - Report Is A Non-problem 
Large CPDLC, ADS-C delays for MD11 
1216-GS 
IPACG FIT 
Closed 
Ground 
RJJJ Terminated Early and Subsequent Logons Failed 
1215-SN 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Multiple WILCO messages received in response to one up-link clearance from B777 
1198-MM 
IPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Contact message not received by aircraft 
1172-MM 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
No .LOAD. prompt for route uplink 
1155-GS 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
CPDLC Downlink message unreadable from B763 
1145-SN 
ISPACG FIT 
Open - Fix Available 
AIR - Technical - Avionics Fault 
B777 unable to send CPDLC messages after Data Authority Transfer 
1143-MM 
NAT TIG 
Open 
AIR - Technical - Avionics Fault 
Incorrect Time and Position in ADS-C Report 
1121-SN 
OTHER 
Closed As Duplicate 
AIR - Technical - Avionics Fault 
Delayed ADS position for a UPS B744 aircraft 
1021_MM 
IPACG FIT 
Closed 
AIR - Technical - Avionics Fault 
UNABLE TO SEND MESSAGE Displayed to Flight Crew 
0811-SN 
ISPACG FIT 
Open 
AIR - Technical - Avionics Fault 
Unexpected error message from A330